This name is a synonym of Ageratum conyzoides (L.) L..
The record derives from TICA
(data supplied on 2012-02-11)
which reports it as a synonym (record 0EB13EFC-88AE-4B83-9AEA-DB06E68CBE6D) with original publication details: 42 1866.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:175530-1.
This name was in version 1 of The Plant List, record gcc-128874.